See FsiWiki in action, on the wiki of
SzSzI, the Hungarian Free Software Institute. (The page is in Hungarian
language.)

To download the latest sources, check out the Subversion repository using the
following UNIX command:
svn co https://svn.sourceforge.net/svnroot/fsiwiki/trunk fsiwiki-trunk
To get more information about using Subversion, please follow the
Subversion link on the
SourceForge project
page.

FsiWiki has no up-to-date detailed English documentation yet.
However, see this documentation
about pts-patched-oddmuse, the precedessor of FsiWiki.